*SUPPORT*
IN: wif OUT: YELLOW
IN: gazzer tufa fep tufa OUT: RED GREEN RED
IN: tufa lug kiki OUT: RED PINK PINK PINK
IN: kiki tufa tufa zup OUT: PINK RED RED RED RED
IN: wif zup OUT: YELLOW YELLOW YELLOW
IN: kiki lug tufa OUT: PINK RED RED RED
IN: gazzer zup fep tufa OUT: RED GREEN GREEN GREEN
IN: wif zup lug wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: kiki wif OUT: PINK YELLOW
IN: kiki zup OUT: PINK PINK PINK
IN: gazzer fep wif zup OUT: YELLOW YELLOW YELLOW GREEN
IN: gazzer wif lug tufa OUT: GREEN YELLOW RED RED RED
IN: wif kiki zup OUT: YELLOW PINK PINK PINK
IN: gazzer OUT: GREEN

*QUERY*
IN: gazzer fep tufa fep wif wif OUT: YELLOW YELLOW RED GREEN
IN: gazzer lug tufa fep gazzer zup OUT: GREEN GREEN GREEN GREEN RED RED RED
IN: gazzer zup OUT: GREEN GREEN GREEN
IN: gazzer gazzer gazzer zup OUT: GREEN GREEN GREEN GREEN GREEN
IN: tufa OUT: RED
IN: tufa zup OUT: RED RED RED
IN: tufa fep tufa zup OUT: RED RED RED RED
IN: gazzer fep kiki OUT: PINK GREEN
IN: kiki OUT: PINK
IN: gazzer gazzer zup OUT: GREEN GREEN GREEN GREEN

*GRAMMAR*
tufa -> RED 
 kiki -> PINK 
 wif -> YELLOW 
 gazzer -> GREEN 
 x1 fep x2 -> [x2] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 x1 lug x2 -> [x1] [x2] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 